Home / 132,768.92-183,013.62-90,253.64

Finding the Fourth Proportional to 132,768.92, 183,013.62 and 90,253.64

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Solution

The fourth proportional to 132,768.92, 183,013.62 and 90,253.64 is: 124,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768.92 : 183,013.62 = 90,253.64 : x
  2. Step 2: Convert to fraction form
    132,768.92/183,013.62 = 90,253.64/x
  3. Step 3: Cross multiply
    132,768.92x = 183,013.62 × 90,253.64
  4. Step 4: Simplify right side
    132,768.92x = 16,517,645,374.58
  5. Step 5: Solve for x
    x = 16,517,645,374.58/132,768.92
  6. Step 6: Final answer
    x = 124,408.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.